thirty Hear it!

thirty definition

thirty (t̸hʉrt′ē)

adjective

three times ten

Etymology: LME thirti, metathetic for thritti < OE thritig < thri, three + -tig, -ty

noun pl. thirties -·ties

  1. the cardinal number between twenty-nine and thirty-one; 30; XXX
  2. ☆

    Etymology: prob. orig. telegraphers' code for a concluding sentence

    this number used to signify the end of a dispatch, story, etc., as for a newspaper
thirty Idioms

the thirties

the numbers or years, as of a century, from thirty through thirty-nine

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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